Bugs pulls out a bottle of "Super Speed Vitamins." In the medium shot, the bottle is round, but in the close-up, it looks like a flask.
The thin white lines that Bugs Bunny draws on the ground are suddenly about 2 inches wide after the Coyote is shown in the hole in the ground.
Bugs Bunny has incredible strength in this short.
First he holds a steel anvil above the Coyote's head with one arm, then he is holding the Coyote up with one arm above the cliffs by holding the phone cord when he is talking to the Coyote on the phone, which wouldn't work anyways since the phone is not hooked up to a phone line.